Heat olive oil in medium skillet over medium heat. Add onion; cook and stir 3 minutes or until translucent. Add ground chicken; cook and stir 5 minutes or until browned. Stir in water and seasoning mix. Remove from heat. Warm refried beans in saucepan or in microwave. Wrap tortillas in lightly moistened paper towels. Microwave on high (100% power) 20 to 30 seconds or until pliable. Fold tortilla in half; spread with refried beans. Form tortilla into cone shape;* press to adhere outside corner with refried beans. Fill cones with chicken mixture, lettuce, tomatoes, and Cheddar cheese. Makes 8 cones.
*To form cone, lay tortilla on work surface. Holding one pointed end down, grasp other end and bring point to round edge, twisting point under slightly. Curl opposite end around outside of cone and press to adhere with refried beans.