Scoop the yolks out into a small bowl and mash with a fork.
Add the chicken, buffalo sauce, cheddar, and ranch dressing to the yolks and stir well to combine.
Spoon the mixture evenly between the egg whites.
Sprinkle with chives before serving.
Video
Notes
For mild deviled eggs, use Frank's Buffalo Wing Sauce. For spicier eggs, use Frank's Red Hot Sauce. To really kick up the heat, add a pinch or two of dried cayenne pepper to the mixture. Store in a sealed container in the refrigerator for 3-4 days.