Quatie
Free Ranging
Rest, water therapy and keep an eye on her weight. I would weigh her daily to see how much her weight drops. I would get tube feeding supplies to have on hand, but not use them yet. I would give her time to eat on her own. Here a couple links on tube feeding to give you an idea. These are great supplies to have on hand when you need them, especially since they are not always easy to find.Ok, that’s good at least! So just resting and waiting would be good?
https://www.backyardchickens.com/th...ng-guide-pictures-under-construction.1064392/
https://www.backyardchickens.com/threads/go-team-tube-feeding-updated-12-29-2019.805728/
You can also feel her leg for a slipped tendon. You should feel it off to one of the slides of the hook joint. You should also kind of feel it pop when you move the joint. I don't think that is what is going on, but you can take a look.
If she is not eating the treats I would stick to the pellet feed for a more balanced feed. You can also try chick crumble. Often I find my ducks will eat the crumble when they are not feeling well. The higher protein also helps them put weight back on.Blue Seal Grow and Show pellets. I’ve mixed in some peas, mealworms, and hard boiled egg yolk to make it more appetizing for her but she’s still not interested. I’m going to leave them alone for about an hour then come check back