If you can, get some silver sulfadiazine cream. They're a prescription antibiotic cream for burns.
And keep her wound clean with betadine. Put her on paper towel substrate and a bare minimum set up for mean time. Have very little to no humidity until she goes into shed. Boost it up to normal for her to shed, then lower it again once she sheds. The burn doesn't look too bad. It should heal up fine with a few sheds.
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