Zoe, it was a while ago now as Domino is now 7, but when we first got her, after a couple of days she started to bite our ankles and would chase us out of the kitchen. We didn't know what to do either, luckily we didn't have children at the time. I spoke to the owner of Domino's dad and she said that even though she hadn't had her second jab, to just take her for a walk to use up some of her energy. We did and I'm sure things improved, I think Domino was bored and thought it was fun having a go at us. Also try to distract Hudson into doing something that is more fun than biting, have a game with him or do a bit of training.
I'm sure someone else will have some good ideas what to do too.