Leave the refrigerator biscuits in the container on the counter for about 10 minutes, it is easier to spread the refrigerator rolls out when they are at room temperature.
Open the containers and squish the rolls out onto a greased pizza pan, slightly over lapping the rolls. On big you want your pizza depends on how spread out you put the rolls and how thick you want the dough.
Bake in the oven for 7-10 minutes at 375 only until the dough puffs and starts to get stiff to the touch, just before it starts to brown.
Remove dough from the oven.
Mix the tomato sauce and oregano together.
Spread tomato sauce mix onto the dough.
Spread the hamburger over the sauce.
Spread the shredded mozzerella cheese over the hamburger.
Sprinkle pineapple over the cheese.
Bake the pizza another 10 minutes at 375 or until the cheese is melted and the dough just starts to turn brown.