Place oven rack 6 inches from broiler; preheat broiler to high. In microwave-safe bowl, stir beef and beans; heat in microwave oven on high 2 minutes or until heated through, stirring once.
Place tortilla on work surface; spread beef mixture down center and top with 2 tablespoons cheese. Fold sides over filling and roll up burrito; place on rimmed baking pan. Spread enchilada sauce over burrito; sprinkle with remaining 2 tablespoons cheese and broil 2 minutes or until cheese melts.
Serve burrito topped with lettuce and yogurt garnished with tomatoes and/or onions, if desired.