Shred the cooked chicken and place it in a bowl.
Add buffalo sauce to the chicken and mix well.
In a large salad bowl, combine mixed greens, shredded carrots, and chopped celery.
Top the greens with the buffalo chicken mixture.
Sprinkle crumbled blue cheese evenly over the top.
Drizzle ranch dressing over the salad.
Toss the salad gently to combine all ingredients.
Season with salt and pepper to taste.
Serve immediately with extra ranch on the side, if desired.