1.Combine Ranch Dressing, Sour Cream, 1 Teaspoon Taco Seasoning, And Salsa In A Small Bowl. Cover And Refrigerate Until Serving. 2.Toss Chicken With Remaining Taco Seasoning. Cover Bowl Loosely With Wax Paper Or Plastic Wrap. Microwave Chicken Until Chicken Is Heated Through, About 2 To 3 Minutes. 3.Warm The Tortillas In A Skillet For About A Minute On Each Side To Make Them Pliable. Place A Scoop Of Chicken On The Tortilla And Top With Lettuce, Tomato, Green Onion, Olives, Avocado, Cheese, And A Spoonful Of The Ranch Dressing Mixture.