What are you going to do when it grows? Will you have a house chicken? Will you build it a coop and some friends? You probably want to get to more chicks and the sooner you can get her some friend the better. They integrate better with new chicks while they are younger. A few people have a flock...
Keep us updated, it's really hard to tell a breed when it's a chick. For now anything I throw out is just a wild guess. Breed and/or mix, aswell as gender will become more obvious as it feathers out.
That's what I was thinking. Or possibky a welsummer, in which case it would also be a girl.
Also Welcome to BYC! So glad you decided to join us! :celebrate