Find lengthwise seam in dough. Beginning at seam, gently unroll dough into a rectangle on a lightly floured surface. Stretch dough into a 12-inch circle on a lightly floured surface; transfer to a round pizza pan or large baking sheet sprinkled with cornmeal.
Preheat oven to 42
Heat a large nonstick skillet over medium-high heat.
Add olive oil to pan; swirl to coat.
Add onion; saut 8 minutes, stirring occasionally.
Place chopped onion in a bowl.
Add cremini mushrooms to pan; saut 8 minutes or until liquid almost evaporates.
Add mushrooms to onion mixture; toss.
Spread onion mixture evenly over prepared dough, leaving a 1/4-inch border.
Sprinkle evenly with white cheddar cheese and bacon.
Bake at 425 for 15 minutes or until crust is lightly browned.