Preheat oven to 425°.
Place a large nonstick skillet over medium-high heat until hot. Add first 9 ingredients; cook 10 minutes or until vegetables are tender and liquid almost evaporates. Remove mixture from heat, and set aside.
Unroll dough, and press into a 12-inch pizza pan coated with cooking spray. Bake at 425° for 7 minutes or until crust just begins to brown. Spread pizza sauce evenly over crust, leaving a 1/2-inch border; top with sausage mixture. Sprinkle with cheese. Bake at 425° for 8 minutes or until crust is golden.