Ultimate Taco Salad

1 pound ground beef 1/2 cup chopped onion 1 (16 1/2-ounce) can cream-style corn 1 (16-ounce) can red kidney beans, drained 1 (1 1/4 ounce) package corn chips 6 cups torn iceberg lettuce 2 cups (8 ounces) shredded Cheddar cheese 2 cups diced tomato 1 (2 1/4 ounce) can sliced ripe olives, drained 1 (