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 teaspoons sweet paprika, 2 teaspoons dried thyme, 1-1/2 teaspoons salt, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1/2 teaspoon ground black pepper, 1/2 teaspoon ground red pepper and 1/2 teaspoon ground white pepper. Store in airtight container. Shake before using. Makes 3 tablespoons.