She may have a mild case of stasis. Could you give her some baby gas drops(simethecone)? If she is in stasis, it should help, and if she is not, it wont hurt her.
If this doesn’t clear up in a day or so or if she stops eating or pooping completely, go to a vet. Your bunny is probably upset because of the move and the absence of you friend’s bunnies that she probably somewhat “bonded” to.
Also, are you planning on getting her spayed? The aggressiveness that you mentioned is probably a hormone-driven behavior. Not to mention that unfixed females have an 80% chance of developing ovarian cancer by age 2.
Just wondering, what type of woodchips do you use? Pine and cedar are harmful because of the oils in them. Aspen is really the only save wood chip bedding. bunnies usually don’t even need bedding on the bottom of the cage, you can put it just in the litter box. She also may prefer a water bowl over a bottle, it is a more natural way for bunnies to drink.
(((vibes))) for your bunny