Cobb Salad with Cucumber-Ranch Dressing

1 large tomato, chopped (1 cup)

1 medium avocado, pitted, peeled, sliced or cubed, and tossed with lemon juice

1 box (9 oz) frozen diced cooked chicken, thawed (1 1/2 cups)

1 cup crumbled blue cheese (4 oz)

1/4 cup sliced green onions (4 medium)

6 slices cooked bacon, chopped

2 hard-cooked eggs, peeled, coarsely chopped

1 cup cucumber ranch dressing

1 small cucumber, seeded and finely chopped (3/4 cup)

2 tablespoons chopped fresh dill