Ashes

Today we got back the ashes of our labrador Sandy. I wasn't convinced on doing this, but daughter wanted to, so I thought it might help. I don't really know what to do with them. Or even how to refer to them - when the vet called me they said "Sandy has been returned to us" (which brought to mind Stephen King's Pet Sematary), and I didn't know what the right term was to use in reply "I'll pick her/it/them up".