Hi and welcome to YT! Your pup is too cute!
As for care, just make sure you are well versed on signs of hypoglycemia and watch for those, make sure the pup gets good every few hours to maintain blood sugar (or just free feed - leave the food out all the time), get some Nutrical (just in case of hypoglycemia), make sure the pup gets all shots and heartworm meds when it can, limit access to all areas of house until house trained (I suggest an xpen with area enough for bed, pee pads, water/food, toys). Mostly, just love it
Congrats!!