I'm ordering my chicks for late February and I thought I would re-purpose my old rabbit hutch as a brooder. Do you think it'll work well? I'm housing ten chicks and the dimensions of the hutch are 3' 6" X 1' 9". I plan on putting a piece of cardboard on the floor which is a metal grate and also over the front which is also a metal grate. After the chicks are 8 weeks old I plan on letting them out of the brooder and letting them right into the coop (not yet built) but that should be 5' X 6', with a 8' X 8' run. Is this enough space for my chicks?