In a large bowl, beat cream cheese, cheddar cheese, garlic and Worcestershire sauce until blended. Stir in crab. Shape mixture into a ball; coat with chives. Wrap in plastic; refrigerate at least 1 hour., Preheat oven to 350°. Cut wonton wrappers diagonally in half; arrange in a single layer on ungreased baking sheets. Spritz with cooking spray; sprinkle with sesame seeds, salt and pepper. Bake 5-7 minutes or until golden brown. Remove from pans to wire racks to cool. Serve with cheese ball.