Grill Chicken breasts for 20 minutes or until juices run clear, at 350 degrees.
In a medium bowl, mix Franks Red Hot Sauce, powdered ranch seasoning mix, vinegar, & butter. Microwave about 15 seconds to melt butter.
When the chicken has been cooked through, cut up each breast into small chunks & add to sauce mixture. Mix up chicken in the sauce thouroughly. Serve in a soft tortilla with tomato, lettuce, chopped celery, cheddar cheese & 1 tblsp. ranch dressing.