HEAT large cast iron skillet on high heat until very hot and starts to smoke. Add 1 Tbsp. dressing, shrimp, red peppers and seasoning; cook and stir 1 to 2 min. or until shrimp is heated through and evenly coated with dressing mixture. Stir in remaining dressing.
COVER large microwaveable plate with layers of half each of the chips, shrimp mixture and cheese. Repeat layers.
MICROWAVE on HIGH 1 to 2 min. or until cheese is melted, rotating plate after each minute. Top with onions, cilantro and jalapenos.