In medium bowl, mix chicken, bell pepper, green onions, beans and rice. Top half of each tortilla with 1/2 cup chicken mixture and 1/2 cup of the cheese. Fold other half of each tortilla over filling, press down slightly. Spray top halves of tortillas with cooking spray.
Heat 12-inch skillet over medium-low heat. Place 2 filled tortillas at a time, sprayed sides down, in skillet. Cook 4 to 5 minutes, turning once, until golden brown and hot. Cut into wedges. Serve with salsa and sour cream.