1 bag Birds Eye® Steamfresh Super Sweet Corn, cooked according to package directions; let cool
Preheat oven to 400°. Lightly spray baking sheet with cooking spray. Spray both sides of tortillas with cooking spray and place on prepared baking sheet. Bake 6 minutes or until lightly golden and crisp.
Combine yogurt, mayonnaise, milk, Wish-Bone® Ranch Dressing & Seasoning Mix, and chipotle powder in medium bowl until smooth. Put chicken and 2/3 cup yogurt mixture in large resealable plastic bag; turn to coat. Marinate in refrigerator 1 hour. Refrigerate remaining yogurt mixture.
Remove chicken from marinade; discard bag. Grill or broil chicken, turning once, until chicken is thoroughly cooked, about 10 minutes. Let stand 5 minutes before slicing.
Meanwhile, combine lettuce, edamame, corn and remaining 2/3 cup dressing in large bowl. Put tortillas on serving platter. Evenly divide lettuce mixture among tortillas, then top with sliced chicken.