Just keep it clean and it will heal up in a couple of days.
Option: you can but antibotic cream on her bad to prevent infection but you have to watch her so she doesn't lick it. One of my friends suggested I rubbed "Bag Balm" on my dog's paw. You can buy either all Walmart.
Here is some info on "Bag Balm":
http://www.horsetackco.com/product_i...roducts_id=436 I know it is for horses but it seem to work on dogs too.