In a food processor, blend all of the chicken marinade ingredients until smooth.
Toss chicken with marinade until fully coated. Cover and refrigerate 1-2 hours (or overnight).
In a food processor, blend all avocado ranch ingredients until smooth. Refrigerate until ready to use.
Heat 1 tablespoon oil in a skillet over medium heat. Cook chicken until fully cooked and lightly browned. Remove and let cool slightly.
Place cheese on half of each tortilla, add chicken, then more cheese. Fold over.
Heat 2-3 tablespoons oil in a skillet over medium heat. Cook tacos on both sides until golden and crispy.
Transfer to a wire rack. Serve with avocado ranch, pico de gallo, and lime wedges.