Sorry that she is a little worse. I have never seen wry neck in my flock before, but many others have treated it. Here is a older long thread where you can read through, or start at the end and go backwards to look at more recent posts:
https://www.backyardchickens.com/threads/lets-talk-wry-neck-crook-neck.97121/
https://www.backyardchickens.com/threads/lets-talk-wry-neck-crook-neck.97121/