This pup almost looks like it could have been a swimmer pup. It looks as though she's having a bit of trouble with the other leg as well. I would keep looking for a better ortho for sure & also
www.klaserusa.com you can find someone near you if you go to this site & K-Laser is miraculous & I would try it before surgery. In the site you can also find vets & animal PTs who use K-Laser in your area.