Heat oven to 400° F. Grease 12-inch pizza pan. Unroll dough; place in greased pan. Starting at center, press out dough to edges of pan. Bake 10 to 12 minutes or until crust begins to brown.
Spread dip evenly over pizza crust. Sprinkle with chicken and tomatoes. Drizzle with buffalo wing sauce; sprinkle with cheese and bell pepper. Bake an additional 10 to 12 minutes or until cheese is melted and crust is golden brown.