There may be more of just a clump of stuff rather than puss. This stuff is expensive, but it'll be cheaper than a vet (I think) and it works amazingly well.
https://www.naturessunshine.com/product/silver-shield-rescue-gel-24-ppm/...
Well, if there's anything inside the ear, you'd have to get that out first. Then start rinsing with an antiseptic and then rub maybe like an antibiotic cream over the ear, just enough so a little gets inside the ear.
You could rub some honey around her eye as @ChickenAndDucksman reccomended. Other than that I'm not very sure. You may just have to let it heal. Glad you're getting it figured out!