01 -
In a medium mixing bowl, stir together mayonnaise, sour cream, milk, and ranch seasoning until well combined.
02 -
In a large mixing bowl, mix the cooked and cooled pasta with the prepared ranch dressing mixture.
03 -
Fold in the bacon, diced Roma tomato, sliced black olives, and cubed cheddar cheese. Stir until evenly distributed.
04 -
Serve cold or refrigerate leftovers in a sealed container for up to 1 week.