Thanks for the quick advice. A few of the requested details:
-She's turned out 24/7. They currently have access to pasture and a dry lot with sheds. Bugs are bad so I am generally finding them just hanging out in the dry lot/shed area. Everything has been damp/humid with light rain all week so while we (fortunately) don't have ankle-sucking mud, there is just a general dampness and dewy grass in the mornings. I've been picking poo from the sheds 2x daily to keep them as clean as possible since that's where they're congregating.
-To me, she looked short on the right hind most of the week, and that's the one she was most protective of during treatment (I nearly got cow-kicked the first couple of times I asked for that leg, which is out of character for her, so must have hurt).
-There is no heat or swelling in either leg.
-The raw sores were concentrated right above the heel bulbs, seems like a pretty sensitive spot.
-Nothing has been oozing, dripping blood, pus, etc. The first day, I counted 3 sores that were dime to penny sized, and looked like your own heel would look if you got a blister from too-tight shoes; raw and sore looking, but not a "meaty" open wound. Aside from those sores, there were some rubbed looking areas at the back of the pastern.
-I don't see things spreading up the leg and the two fronts remain clear. I am hoping I caught it fairly early on.
-re: terrain for riding. Generally we'll do a few miles on dirt/gravel roads. That seems like a bad idea for the near future. Alternatively, without booting, we have gently rolling grass hills that we could take an easy hack (1-2 miles) around. There are likely to be wet and muddy spots though.
I think I'm hearing you all suggest giving it a little more time is probably the best course of action since things do seem to be healing; no need to reopen sores or scrape scabs that are in place now.
, sent a PM!!