Cook the chicken: Rub the olive oil and seasoning over the chicken. Cook the chicken in a skillet on the stove or on the grill, about 4 minutes per side until cooked through.
Prepare the salad: Place the lettuce in a large bowl. Arrange the chicken, black beans, tomato, corn, red onion, cheese, avocado, and tortilla strips on top. Drizzle the BBQ sauce and ranch dressing over the top. Top with chopped cilantro if desired. Enjoy!