Preheat oven to 350°.
Cook pasta according to package directions in a large pot.
Meanwhile, cut bacon slices into smaller pieces.
Cook in skillet over medium heat until crispy, drain most of the grease on a paper towel leaving 1-2 tbsp. in the skillet.
Season chicken breast with salt, pepper and your favorite rub.
Add chicken and onions to skillet and cook until done.
Stir in cream cheese until it's melted.
Stir in pimento cheese.
Add milk and stir to blend.
Add bacon and pasta last, then continue stirring till blended.
Add pasta to an oven-safe dish and sprinkle with grated cheese.
Bake in the oven for 10-12 minutes until melted.
ENJOY!!