1. Preheat oven to 425°.
2. Unroll dough on a baking sheet coated with cooking spray; pat dough into a 14 x 12-inch rectangle. Lightly coat dough with cooking spray. Bake at 425° for 8 minutes or until golden. Remove from oven; sprinkle evenly with 2 tablespoons cheese. Set aside.
3. Combine oil, vinegar, mustard, and 1/8 teaspoon pepper in a large bowl; stir with a whisk.
4. Cook bacon in a large nonstick skillet over medium heat until crisp. Remove bacon from pan; crumble bacon into oil mixture. Wipe pan clean with paper towels. Heat pan over medium-high heat. Coat pan with cooking spray. Sprinkle chicken with remaining 1/8 teaspoon pepper. Add chicken to pan; cook 4 minutes on each side or until done. Remove chicken from pan; chop into 1/2-inch pieces.
5. Add chicken, tomatoes, and onion to oil mixture; toss gently to combine. Add greens; toss gently. Top crust evenly with chicken mixture, avocado, and remaining 2 tablespoons cheese. Cut into 8 pieces.