– 8 ounces whole wheat shells pasta or similar short shape such as orecchiette, penne, or fusilli – 2 cups milk divided – 2 tablespoons all-purpose flour – 6 slices bacon cut into ½-inch pieces – 1 small yellow onion chopped – 1 1/4 pounds boneless, skinless chicken breasts chopped into bite-size pieces – 3/4 teaspoon kosher salt – 1 teaspoon garlic powder – 1 teaspoon onion powder – 1 teaspoon dried dill weed – 1/2 teaspoon black pepper – 1/8 teaspoon cayenne pepper – 2/3 cup plain Greek yogurt 2% or whole milk; fat free may curdle – 1/2 cup shredded Mozzarella cheese – 1/2 cup shredded sharp cheddar cheese – 1/4 cup grated Parmesan – 1 cup frozen peas no need to thaw – Chopped fresh parsley or chives