Rinse and dry the shredded kale, then add the kale to a large bowl. Massage in 1/4 cup of ranch dressing until the kale is fully coated.
Season the raw chicken thighs with buffalo seasoning or according to your taste preference. Roast the chicken thighs in the oven at 375 degrees for about 30 minutes or until fully cooked. Remove from the oven and allow to cool.
Once cooled, cut the cooked chicken thighs into cubes.
Add the cubed chicken thighs and the rest of the ingredients to the bowl with the kale. Mix until fully combined.