1. Boil the diced potatoes in salted water until tender, about 10-12 minutes. Drain and let cool.
2. In a large bowl, mix together the ranch dressing, sour cream, mayonnaise, salt, and pepper.
3. Fold in the cooled potatoes, shredded cheddar cheese, crumbled bacon, and chives.
4. Stir everything gently until well coated and creamy.
5. Chill in the refrigerator for at least 1 hour before serving.
Enjoy your creamy, cheesy bacon ranch potato salad!