Grilled Steak with Tzatziki Salad

Name: Grilled Steak with Tzatziki Salad
Ingredients: 1/2 cup A.1. Original Steak Sauce; 1/4 cup fresh lemon juice, divided; 1 tablespoons olive oil; 5 cloves garlic, minced, divided; 1 boneless beef sirloin steak (1-1/2 lb.), 1/2 inch thick; 1 cup BREAKSTONE'S or KNUDSEN Sour Cream; 1/4 cup chopped fresh dill; 2 large cucumbers, peeled, seeded and sliced; 1 cup thinly sliced onions; 1/4 cup ATHENOS Traditional Crumbled Feta Cheese; 6 whole wheat pita breads, halved