Bacon Ranch Pasta Salad

Name: Bacon Ranch Pasta Salad
Prep time: 2 h
Cook time: 15 min
Total time: 2 h 15 min
Cuisine: American
Ingredients: 1 package (12 ounces) tri-color rotini pasta; 1/2 cup mayonnaise; 1/2 cup sour cream; 1 package (1 ounce) dry ranch dressing/seasoning mix; 1/2 teaspoon garlic powder; 1/2 cup milk; 8 slices cooked bacon, chopped ((see notes below)); 1 large tomato, diced; 1 can (4.25 ounces) sliced black olives, drained; 1 cup shredded cheddar cheese