Lightly shape ground beef into four 3/4-inch thick patties. Press Ranch Rub onto patties. Heat large nonstick skillet over medium heat until hot. Place patties in skillet; cook 12 to 15 minutes to medium (160°F) doneness, until not pink in center and juices show no pink color, turning once. Serve in buns with dressing, onions, lettuce, and tomato. Makes 4 servings.
Ranch Rub: Combine 2 tsp. sweet paprika, 2 tsp. dried thyme, 1-1/2 tsp. salt, 1 tsp. garlic powder, 1 tsp. onion powder, 1/2 tsp. ground black pepper, 1/2 tsp. ground red pepper, and 1/2 tsp. ground white pepper. Store in airtight container. Shake before using. Makes 3 Tbsp.