She does have a micro chip. The dog's name is MOXIE (the same as my male) and the chip ID # is - ID#A039298. I spoke to the center yesterday and they have not been able to contact anyone at the associated telephone number but will continue to try.
I am glad that he is in a home where he is known and one that can deal with his issues.
Do let us know how it goes with his rebonding to you and your family.