Baby Turkey struggling to walk.

Hello everyone,

I recently rescued 3 turkey chicks from near death and one of them (who was accidentally stood on by my sister) is not walking very well. He stands but he seems a bit weak. His head wobbles around a bit and he tries to run/walk around but he falls over. Does anyone know what is wrong? I had him in a dark, quiet, warm place for 5+ hours and he has definitely improved since I found him (he and his brothers were laying on their side in the old, barely breathing when I found them). He doesn't open his eyes much. he stands with his eyes closed, is he just tired?

Please help.