Preparation
Step 1-In a small bowl, combine chicken, 2 cups cheese, green chiles, and onion.
Step 2-In a small skillet, bring enchilada sauce to a boil, remove from heat. Dip each tortilla into heated sauce to soften,
Step 3-Spoon 1/3 cup chicken mixture and 2 tablespoons sour cream down center of each tortilla. Roll and place tortilla seam-side down in 12x8 inch baking dish. Pour remaining enchilada sauce over top and sprinkle with 1 cup remaining cheese. Bake 20 minutes at 350 degrees F.