In 10-inch skillet, cook bacon over medium heat 7 to 9 minutes, stirring occasionally, until crisp. Drain bacon on paper towels.
In small bowl, beat mayonnaise, barbecue sauce and salt with wire whisk until blended.
In large bowl, stir chicken, bacon, onion, jalapeño chile and mayonnaise mixture until well mixed. Serve in lettuce leaves. Sprinkle with parsley.