Their is a rescue group that I been donating to for a years called Small Paws that maybe able to help you with the other dogs or give you advise on how to get the others out of their possibly. They mostly rescue Bichon but have help other breeds as well. I looked it up and they have a representatives in your area.
Gregory Pike and Jodi Koehn-Pike
Potomac, MD
(H)301-299-1977 (W)301-435-8213
Montgomery County