Season and Place Chicken:
Season chicken with kosher salt and fresh pepper. Place in the bottom of a crockpot or slow cooker.Add Parmesan Garlic Sauce:
Pour entire bottle of parmesan garlic sauce over the chicken.Shake and Pour Milk Mixture:
Add milk to the empty bottle and shake. Pour milk and sauce mixture over the chicken.Add Cream Cheese and Parmesan:
Add cream cheese and parmesan cheese to crockpot. Stir to combine and cover chicken with sauce.Cook on High or Low:
Cook on high for 2 to 3 hours or low for 3 to 4 hours.Shred and Return Chicken:
Remove cooked chicken to a plate or cutting board and shred using 2 forks or dice into bite sized pieces. Add back into slow cooker.Cook and Mix Pasta:
Cook pasta according to package directions. Drain well and add to crockpot, stirring to combine well.