Welcome to YT. Definitely talk to some of the breeders here. It sounds like you're moving cautiously, and that's what I'd advise. It can be a lot of work, and there are financial risks in breeding programs that you'll want to be aware of. If none reply to your message here, check out the Breeder Talk forum.
Another thought: If your main reason for getting another dog is as a companion for you and Candy, how about a rescue?
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