In a medium bowl, combine shredded chicken, buffalo sauce, melted butter, and garlic powder. Mix until evenly coated.
Lay one tortilla flat on a cutting board and make a cut from the center down to the bottom edge.
Visualize the tortilla divided into four sections.
Place buffalo chicken in one section, cheese in another, lettuce and tomatoes in the third, and ranch dressing in the fourth.
Starting from one side of the cut, fold each section over the next to create a triangle-shaped wrap.
Heat a skillet over medium heat and lightly coat with butter or cooking spray.
Cook each folded wrap for 2–3 minutes per side until golden brown, crispy, and the cheese is melted.
Remove from the skillet, let cool for 1 minute, then serve warm.