In large skillet, heat oil over medium-high heat. Add chicken and Onion Onion™ Seasoning; salt and pepper as desired. Sauté until browned, about 7-8 minutes.
Stir in broth, milk and Cheddar Broccoli Soup Mix; stir or whisk until combined. Stir in pasta and broccoli.
Bring to a simmer. Reduce heat, cover and simmer 10 minutes, stirring occasionally. Remove cover. Continue simmering 4-6 minutes or until pasta is tender and sauce is desired consistency. Salt and pepper as desired.