At almost two weeks old I have a Blue Laced Red Wyandotte who had that exact problem, not from hatch but at almost 2 weeks! I was assuming she might have been run over by the more active chicks and hurt her leg. After trying several things I finally went with the Vet Wrap which was the easiest and has helped her the most. At first she would fall forward but I kept working with her. After two days she was finally able to stand on her own. I hand feed her and gave her water with a syringe until she was able to maneuver about and get it on her own. After a week she was completely doing her own style of walking (legs still wrapped), then I took the wrap off after another few days. I think I did it too soon. Three days later her left leg was starting to go back out behind her again - I'm wondering if it was because I switched her flooring from puppy pads to wood shavings, she might have had better control on the pads. So, I wrapped those legs again (yesterday). She'll be a month old tomorrow, half the size of her sisters, but very healthy. I'm thinking the problem is at the hip and she just can't swing that leg forward. Anyway, she's very active and growing, and I hope this leg wrap won't have to be on her for life - she's a good girl and I'd like for her to be able to walk without it. I'll wait another week before trying to remove the wrap again.