Update: the hen is doing just fine!!!
After a couple of days running around with the other chickens during the day, I set her on the roost and watched then all settle. There was a fair amount of squabling, as usual, but my girl asserted herself! Not that I liked that, but she even pecked on a...
So I have this young hen that somehow got her leg twisted. She was limping and falling down a lot. I separated her from the flock and she was living in a pet carrier on the porch for about ten days now. She is getting better, so I let her in with the other chickens to run around all day, and...