Add 1 tbsp. Dijon mustard, 1 cup chicken brothroth, 4-5 cloves minced garlic, 1 tsp. onion powder, 8 oz. cream cheese, ½ cup shredded Colby jack cheese, and half of the cheddar cheese to greased slow cooker and stir to combine.
Place chicken into sauce and spoon some of the sauce/cheese mixture overtop
Cover and cook on low for 4-6 hours on low or 2-4 hours on high
15 - 30 minutes before serving, remove chicken from slow cooker and cut into bite-sized pieces
Temper ½ cup sour cream by adding some of the hot liquid from the slow cooker into it to bring to a higher temperature. Stir tempered sour cream it into the sauce.
Stir chicken, 2 8 oz microwaveable rice packets and 2 cups broccoli florets into the sauce
Cover and allow rice and broccoli to cook
Top with remaining cheddar cheese and cover just until melted
