Plain neosporin, bacitracin, triple antibiotic or polysorin are all similar and okay to use after cleaning a wound. Saline to wash the wounds or a solution of chlorhexidene or betadine are all useful to clean the wound. Most of these type wounds will usually heal with feather regrowth in a few weeks. Separate her in a dog crate within the coop so that she cannot be hurt, and give her her own water. If she seems in shock, you could bring her inside to a dim quiet area overnight. When she has started healing, get some BluKote an antiseptic blue spray that will hide her wounds. Then slowly reintegrate her back into the flock. She must be near them and in the cage to let them get used to her, as well as similar in size.