What can I do to fix my crooked jaw/chin? (Photos)

Thank you for your question. I suggest that you move forward and consult with a board certified facial plastic surgeon regarding a chin implant. You also may benefit from fillers to create more volume to your face.
Best wishes,

Your facial asymmetry can be the result of a congenital developmental issue. In many cases the normal side can be used to fabricate a custom silicone implant which can greatly improve your facial balance.This is done using the latest technology and the implant can be placed without any skin incisions. It does appear that the jaw and chin are affected. In some cases, the addition of a custom cheek implant can improve results as well. I recommend that you find a surgeon who works with custom facial implants. 

Thank you for your question.You are correct in identifying asymmetry in your jawline and midface. First, understanding how your teeth fit together is important to determine if you require any orthodontics or jaw surgery to improve your tooth alignment. If your teeth fit together well, your facial contour and symmetry can be improved with implants. Although it is best determined in person, a custom-designed implant may be the best option. This can allow your facial proportions to be balanced in three-dimensions. While an off-the-shelf implant may also be an option, it may not provide the degree of correction that you are looking for. Feel free to look at the video below for further information.  I hope this helps.