Preheat your oven to 350°F (175°C). Grease a baking dish.
Start with a layer of Fritos corn chips at the bottom of the greased baking dish.
Spread the diced cooked chicken evenly over the Fritos layer.
Sprinkle the crumbled cooked bacon over the chicken layer.
Drizzle the ranch dressing evenly over the bacon layer.
Add another layer of Fritos corn chips on top of the ranch dressing.
Sprinkle the shredded cheddar cheese evenly over the second layer of Fritos.