5 month old Chiweenie Puppy Boston

We have a 5 month old Chiweenie Puppy to rehome is to the vet and had all his puppy shots, he weighs around 10 lbs He has a lot of energy and it is housebroken and crate trained know basic sit speak etc. He loves children but is just a little to much in my elderly mother because all he desires to do is lay on her throughout the day and play in the evening.