neck upside down

So, my two year old chicken went blind about six months ago after hitting her head. I was taking care of her, she was eating and drinking on her own, but still had head injury because of that. Well, about three weeks ago she flew out of the grazing pen that I would leave her in so she could...

Hi everyone! Thanks for reading and those who respond, I have a chicken who recently has an upside-down head.... other than that, she's happily clucking, her eyes are clear, she flaps and walks equally, can drink / eat / poop ok. I'm wondering if there's hope for her to return to the flock and...