I absolutely hate my side profile especially my jawline/neck/chin. (Photos)

Both Kybella or neck liposuction are good options and will improve the double chin. It depends on your lifestyle and personality which would be better for you. 
Kybella is best for patients that:
1)  Do not want surgery 
2)  Are not surgical candidates 
3)  Not willing to wear a compression dressing around the face for 1 week 
4)  Patient-  The results of Kybella will take months
Kybella take 1-3 treatments every 6 weeks.  Patient will develop swelling and possible bruising after each injection that may last a few days.  The benefit of Kybella is each treatment is quick and completed in the office. However, some patients need more than one treatment to get desired results. 
Neck Liposuction is best for patients that:
1)  Want a single treatment 
2)  One recovery time-  Downtime for neck liposuction require wearing a wrap around face for 1 week. 3)  Less painful 
4)  Quicker results 
5)  Cost is a concern
Neck liposuction is a quick surgical procedure that can be complete while the patient is awake.  It cost around the same price a Kybella and can be less in patients with heavier necks.  The single recovery of neck liposuction may be a better option for some patients.
I hope this helps.

You look like you’d be a good candidate for Kybella because you do have submental fat. Kybella injections will dissolve the fat with deoxycholic acid so it can be eliminated through your lymph system. You’ll probably need at least three treatments. Kybella causes some skin contraction, too, so that might be enough to give you the sleeker jawline you want. If not, I’d suggest augmenting your chin with Restylane Lyft or Voluma. Consulting a board-certified dermatologist will help you decide how to choose the therapies that will make you feel happier with your profile.

you have good skin quality and are an excellent candidate for Kybella which is a simple office procedure designed to permanently melt fat and sculpt the neck area

Thank you for your question.  Based on your photos Kybella might be a good option for you. Kybella is an FDA approved, non-surgical injection that improves the appearance and profile of moderate to severe fat below the chin. For more information, I recommend getting a formal evaluation from a board-certified specialist. 

Kybella will definitely help improve your profile. You would be an excellent candidate for this treatment.  Kybella is an excellent, noninvasive procedure that permanently destroys submental fat cells. The active ingredient, synthetic deoxycholic acids, is a naturally occurring molecule that is found in our body, which helps our body break down fat. Thank you for your question, best of luck to you!