Bring a large pot of water to a boil. Add the potatoes and boil for 20 minutes.
Drain in a colander and run cold water over the potatoes for 5 minutes.
Cut the potatoes into 1 inch pieces and place in a large bowl.
In a small bowl combine the sour cream, mayonnaise, paprika, brown sugar, salt, chili powder, garlic powder, onion powder, and yellow mustard. Mix well and pour over the potatoes.
Mix the potatoes and dressing until well combined.
Sprinkle the crumbled bacon and Dubliner cheese over top of the potato salad.