Okay, first things first, take a deep breath. It's not as bad as it could be; you caught it in time!
I would start by treating for shock. Get some electrolytes in her water and see if she will eat anything. For the flesh wounds, you'll want to put some Neosporin without pain relief directly into...
I use Pen Pal chick starter; I'll post a label later. Nothing seems wrong with the hock at all, no scabbing or swelling. On a better note, the chick does seem to be using it a bit more this morning; the leg's less out to the side and more under the chick.
Thanks! I travel frequently, and the place I mainly go (Universal Orlando!) has a lot of different countries and cultures visiting, and they are all so much fun to learn about!
The spot on its bottom's fluff is a piece of a pine needle.
Also, I checked on the feed, and it does not have riboflavin in it. Should I go ahead and get the vitamin B complex next time I am in town (I live a bit away, haha!) or should I seek a way to get the chicks to green grass? I read that...