Having spent money on a chiropractor for my 8yr old setter, who told me she had bad hips, I eventually took her to the vets for x-rays. Vet said her hips were some of the best he'd seen on a setter - but she had a boney bridge forming between 2 vertebra. So for me the alternative therapy was a waste of money and still had to get xrays done, but I'm sure some chiro's are worth it. This chap was highly recommended too!
Hope your daughter's ok, and glad the dog is more comfortable.