After training a pet by playing a mini game in the Pet Hatchery it gives you the option to feed a snack to your pet, all you have to do is select the snack you want to feed it then press feed pet.
You can't, unless you can figure out a glitch to do it.
You have to have a pet
The pet store in wizard 101 is at Shopping District. Use your map at you journal. Or your compass.
you can't ride a pet on wizard 101 unless you buy one from the crown shop
You have to level it up in the petpavillion
The pet pavilion is connected to the Commons of Wizard City.
Wizard City, Pet Pavillion
-Summer Dragon (Pet Dragon)
there isn't a pet shop there
You have to buy it at the pet shop in the Shopping District.
48 after you get scarecrow.