Sounds to me you have done really well if your 11 month lab has only a little way to go, lonniefrances.
You are obviously a good responsible dog owner who is looking to do the best thing for the breeder, who has real difficulties at the moment, and the female dog, who needs a home. You are also experienced - I take my hat off to anyone who can manage an Irish setter, gorgeous as they are !
All I would say is try to concentrate on what is best for you and your existing dog , short, and longer term. This problem is really not yours to solve, as much as your good heart is telling you there is room for another dog , and you can be the one to help. I guarantee you that if the female dog is put up for adoption through the proper channels her paws will not touch the ground and she will no doubt be very happy.
Your 11 month old dog is well socialised at his crèche etc. without the need right now for a live in companion dog, especially his mother. Even though she is well behaved she is large. When your dog is older a smaller dog which would make an ideal pal for you both may find itself in need of a home further down the line ?
Don't commit yourself to anything definite right now - it's a big undertaking. xxx