Chicken Tacos

1 (4.7 ounce) box Old El Paso Stand ‘N Stuff™ taco shells
3 cups cut-up deli rotisserie chicken (from 2- to 2 1/2-pound chicken)
1 (1.25 ounce) Old El Paso taco seasoning mix
1/2 cup ranch dressing
1 1/2 cups shredded lettuce
1 medium tomato, chopped (3/4 cup)
1 cup shredded Cheddar cheese (4 ounces)
1/4 cup sliced green onions
Additional ranch dressing, if desired

Heat taco shells in oven as directed on box.

Meanwhile, in medium microwavable bowl, place chicken. Sprinkle with taco seasoning mix; toss gently to coat. Microwave uncovered on HIGH for 2 to 3 minutes or until hot. Stir in 1/2 cup dressing. Spoon warm chicken mixture into heated taco shells. Top with lettuce, tomato, cheese and onions. Drizzle with additional dressing.