In a shallow baking dish cover the chicken with the Marinade and Barbeque Sauce. Bake at 300 for 30 minutes, or until cooked through. Shred chicken.
Meanwhile cook the pasta according to package directions.
In a small saucepan melt butter. Stir in the garlic and cook for 30 seconds. Add in the half and half, milk, pepper, and cheese. Whisk until smooth. Add in the crumbled bacon. Cook for 3-4 minutes.
In a large bowl mix the chicken, pasta and sauce together. To serve top with additional cheese if desired.