Blu-Kote is an antiseptic/antifungal which is purple blue to stain skin blue so the chickens won't peck at a red place. I'm sorry to hear that she is worse. Dip her beak in some water a few times, and offer her some scrambled chopped eggs. If you can get some PolyViSol baby vitamins tomorrow, you can give a drop or two each day. Her eye may have been pecked too. Do you think she misses the others?