Cook pasta according to package instructions. Once cooked, drain in a colander.
Add cooked pasta, cooked and shredded chicken, celery, and cherry tomatoes to a large bowl.
In a small bowl, combine ranch dressing, buffalo wing sauce, and garlic powder. Pour dressing over the pasta and toss everything together to combine. Serve and enjoy!
Notes
Store the rigatoni salad in an airtight container in the refrigerator. Use within 5 days.