I don't know much about hound dogs, so I wouldn't know if your husband is right or not. though my neighbors had a basset and they crate trained him fine to the best of my knowledge.
but I have a question and its if your dogs been to the vet? it could be a bladder problem or that he's a bit sick. Thats just a guess though of maybe why hes doing this hes an older dog so it wouldn't be unusal to me at least.
If thats not the case then I would be glad to look some more on the situation for you.

I'm going to school to become a Veterinarian so I'm a nut for animal behaviour.
Hope everything turns out better. I LOVE beagles!! lol