Heat oven to 425°F. Grease or spray 15x10x1-inch pan.
Unroll pizza dough in pan. Using an offset spatula, spread beans over crust, leaving 1-inch border around edges. Spread with enchilada sauce; sprinkle with cheese.
Bake about 15 minutes or until cheese is bubbly and melted. Sprinkle with green onions. Serve with sour cream and salsa.