Hi! and a very warm welcome to you and Ruby!
The name Ruby was my first choice for a while for my baby girl then i settled on the name Pixie! Her registered name is 'Chevawn Such A Diamond' I wanted Diamond in the name because my grandparents were celebrating their Diamond wedding anniversary in october last year!
7 weeks is very young to have left the mother, My Pixie was 14 weeks and only 1lbs 8oz when we brought her home with us, but with special care and attention from you, she should do just fine and don't forget, you have a lifeline here on YT 24hrs a day 7 days a week if you are ever worried about anything!
Best wishes.