Hi Becki, glad to hear that things are going well for you.
Doritos? They are GF. Can't remember, are you sensitive to corn? Here is FritoLay's GF list(the also have a GFCF list)
http://www.fritolay.com/fl/flstore/c...dID_364066.htm
A chip I like is Lundberg's rice chip
http://www.lundberg.com/products/chip.shtml
Anne