With a nice scab, which that looks to be, I would not bandage it. Dry, Air, Clean. Maybe you could put a "look no touch" type of run out with her friends visible? Low, clean, lots of feed and water accessable with a bantam bud you mentioned? Birds will pick on an injured flock mate, and pick the...
Keeping a dressing on a chicken is difficult! Once the leg has scabbed over and is dry, not oozing or red or inflamed, I would see how she does without a dressing. Other chickens pick on the injured one, but if you have one that is mild mannered, your injured bird might do better with company...
I have had some horrible chicken injuries heal with Neosporin alone. I once amputated a leg from a desert tortise with the same problem. He had a wire wrapped around the leg which cut off the blood flow. He lived with only topical Neosporin. I had an Orpington the flock decided to pick on, no...