Combine all ingredients for the Chipotle ranch in a blender and blend until smooth. Place in refrigerator.
Cut chicken up into small pieces and add to a bowl.
Season with a little oil, salt, cayenne, chili powder, cumin, paprika, dried cilantro, and black pepper. Stir until coated.
Add a little bit of olive oil to skillet over medium high-heat and cook your chicken.
Once chicken is fully cooked add the juice from one lime and some fresh or more dried cilantro.
Build your quesadillas with the shredded cheese and chipotle ranch sauce and a little bit more shredded cheese.
Fold tortillas in half and cook until both sides are golden brown and crispy.
