Wish I could help, but I know little about this. He does appear to be walking a little funny to me. Hang in there, Im sure someone very knowledgeable will be along soon. X-rays are probably not a bad option.
Morgan Lynn - GSD - 15 months - Herder in Training
Emma June - Husky - 18 months - Daddies Lil Girl
RIP Asker Lynn - Pit Mix - 5/1/2002-9/7/2013