Lay the tortilla flat on a clean surface.
Add the shredded chicken to the center of the tortilla.
Sprinkle the shredded cheese evenly over the chicken.
Add the lettuce, diced tomato, avocado, grilled corn, black beans, and onion strings.
Drizzle generously with BBQ sauce and ranch dressing.
Fold in the sides of the tortilla and roll tightly into a wrap.
Slice in half and serve immediately. This BBQ Ranch Chicken Wrap is best enjoyed fresh.