01 - 
                Season chicken thighs with BBQ rub and grill over medium-high heat until they reach 165°F. Set aside to cool slightly.
              
              
              
                02 - 
                In a skillet, cook the bacon until crispy. Toast sub rolls on the grill or in the oven until lightly golden.
              
              
              
                03 - 
                On a large cutting board, add a base of shredded lettuce. Layer on grilled chicken, crispy bacon, and tomato slices. Chop everything together until evenly mixed.
              
              
              
                04 - 
                Sprinkle with salt and pepper, then add mozzarella cheese and drizzle ranch dressing over the top.
              
              
              
                05 - 
                Chop and mix again to fully incorporate all ingredients. Scoop the mixture into toasted sub rolls and serve immediately.