Who Needs Lettuce? Salad

1 large avocado - peeled, pitted, and cut into 1/2-inch cubes

2 Roma tomatoes, cut into 1/2-inch cubes

¼ red onion, cut into 1/2-inch cubes

2 tablespoons red wine vinaigrette dressing

Stir together the avocado, Roma tomatoes, red onion, and red wine vinaigrette dressing in a bowl.