Shrimp Tacos with Jalapeno Tartar Sauce

INGREDIENTS

• 1 medium red onion
• 1/2 cup Hellmann's® or Best Foods® Light Mayonnaise, divided
• 3 Tbsp. lime juice, divided
• 2 Tbsp. finely chopped pickled jalapeño pepper
• 2 tsp. Knorr® Chicken flavor Bouillon
• 1/2 tsp. ground chipotle chile pepper
• 4 slices fresh pineapple (about 1/2-inch-thick)
• 1 lb. uncooked medium shrimp, peeled and deveined
• 12 flour tortillas or corn tortillas, warmed