Bertie-Merle
Songster
That sounds like progress at least. I don't recall if you were adding Epson's salt to her bath. I've seen it to be very helpful myself. The magnesium in the solution seems to be quite beneficial:
https://www.gardenbetty.com/the-spa-treatment-for-sick-chickens/
https://www.gardenbetty.com/the-spa-treatment-for-sick-chickens/