bent leg

This chick hatched yesterday. Its leg is bent and cannot straighten. I have tried gently pulling it down and it can’t get straight. The joint feels bigger than the joints on the other chicks and not smooth. It is hobbling around on its knee/elbow. Any advice?

My little snuggle chick, Donna, has something wrong with her legs. I noticed about two weeks ago when we brought her home from my MIL's. I fear maybe her legs broke on the ride home but I'm unsure. She walks around and eats and drinks, but she can't roost anywhere. She wobbles around but I fear...