Very cute! I would say female too. She does look tiny, I was supprised that my ram stayed so small. Mine only got a bit aggressive during feeding, but he had to compete with 8 neon tetras, so it's understandable. Otherwise he was very sweet.
I stuck with the same water changing schedule I always did, 25% a week, and he was fine.
Edit: Oops, just realized I'm a little late on this, sorry!
I'm just a newbie, so if anything I say seems off please call me out on it! Research!