The ball on the end of your chin is the mentalis muscle which is bunched up due to straining from the shortness of your chin. The best solution is a chin augmentation but not with an implant. A sliding genioplasty to move the bone forward and up with not only increase chin projection but will...
Looking at your photo you do have a significantly weak chin. I would anticipate that you have what is called micrognathia which means not only is your chin small but also your lower jaw (mandible) is set too far back compared to your upper jaw (maxilla). Microgenia is when you have a small chin...
Your lower jaw growth asymmetry is quite common and can be ideally managed with orthodontics and 'jaw surgery'. Costs will range significantly depending on where you live in North America.
A second option is 'masking'. This approach builds out the right side of the face with implants along...