1. Preheat your oven to 350°F (175°C).
2. Cook the rotini pasta according to package instructions until al dente, then drain.
3. In a large bowl, combine the shredded chicken, crumbled bacon, and cooked pasta.
4. Mix in your favorite ranch dressing until everything is well coated.
5. Transfer the mixture to a baking dish and spread it evenly.
6. Bake for about 20-25 minutes, or until heated through.
7. Serve warm and enjoy!