Gather all ingredients on a clean surface.
Lay the tortilla flat on a plate.
Spread ranch dressing evenly over the tortilla.
Add shredded chicken in the center of the tortilla.
Sprinkle crumbled bacon on top of the chicken.
Layer the chopped romaine lettuce over the bacon.
Add shredded cheese on top of the lettuce.
Season with salt and pepper to taste.
Fold the sides of the tortilla inward.
Roll the tortilla tightly from the bottom up to enclose all fillings.