You could try crop feeding her, and KayTee Exact feed is used with a feeding tube. Crop tube sets are sold on Amazon. You can make a temporary one for fluids and thin foods with aquarium air tubing. Here is some info and a video:
https://www.amazon.com/Abustle-pig-...words=lamb+feeding+tube&qid=1736946007&sr=8-6
https://www.backyardchickens.com/th...ng-guide-pictures-under-construction.1064392/
https://www.amazon.com/Abustle-pig-...words=lamb+feeding+tube&qid=1736946007&sr=8-6
https://www.backyardchickens.com/th...ng-guide-pictures-under-construction.1064392/