Using a Chinetreg Classic Whitereg Dinner Plate, place crushed tortilla chips on the bottom. Layer shredded lettuce, chopped onion, drained tomatoes and guacamole. In a small mixing bowl, mix the refried beans, taco seasoning and the sour cream together. Spread on top of the guacamole with a spatula. Sprinkle cheese on top of the bean mixture. Arrange sliced olives to make the lines of the basketball.