Toss the chopped romaine in a large bowl. Add the chicken cubes.(Set aside some of the chicken to put on top of the lettuce/chicken combination.
Position the lettuce/ chicken in the middle of the serving plate.
On of the four corners of the plate put the corn, black beans, cut baby tomatoes, and quartered cucumber.
Add the remaining chicken on the top of the lettuce, Top with the chopped green onions.
Pour the bottle of ranch dressing into a bowl. Begin by adding 1 TBSP of the BBQ sauce and stir until well blended. Taste to ensure flavor. If necessary add more BBQ sauce to the dressing and stir well.
Position the sliced avocado o top of the salad.
Pour the salad dressing on top of the entire salad.
Drizzle with the remaining BBQ sauce