My understanding was that the water in the mouse would help re-hydrate the snake, which I found on some threads. I even found a recommendation that feeding bigger prey should help a snake shed, so I assumed it was alright to feed her. I certainly won't do so again. Because she's so small I didn't want to starve her... I guess that was my mistake. I feel terrible that I messed this up.
I did already provide her with a humid hide on 10/09/19, which she used once. I guess I'm going to go soak her now and hope it helps. Thank you for the advice!