Cook the rotini pasta according to package instructions.
In a large skillet, heat olive oil over medium heat.
Add the shredded chicken to the skillet and sprinkle with garlic powder and onion powder.
Pour in the ranch dressing and heavy cream, stirring to combine.
Mix in the cooked pasta and crumbled bacon, combining well.
Add shredded cheddar cheese and stir until melted and creamy.
Season with salt and pepper to taste, adjusting according to preference.
Serve hot, garnished with additional bacon or cheese if desired.