Get her some rough sand or soil for digestion until you can purchase granite grit. It is important to be able to digest anything she eats other than pellets.
Try Moro's carrot soup to help restore a healthy gut, but only use 1,5 grams of salt as chickens have sensitive kidneys:
Try Moro's carrot soup to help restore a healthy gut, but only use 1,5 grams of salt as chickens have sensitive kidneys: