Preheat the oven to 350° and spray a 9x13 baking dish with -cooking spray.

In a large mixing bowl, combine the sour cream, Rotel, soup, corn, and fiesta ranch dressing mix.

Stir to combine.

Fold in the cooked chicken and mix to combine.

In the bottom of the prepared baking dish, add a handful of crushed chips.

Spread the chicken mixture over the chips in an even layer.

Crumble the remaining chips over the top of the chicken mixture. Top with cheese.

Cover with foil and bake for 20 minutes.

Remove the foil and bake for an additional 5 minutes.

Remove from the oven and serve with your favorite toppings like sour cream, salsa, diced tomatoes, cilantro and jalapeños.

Enjoy!