Avocado Crab Boats

Ingredients

• 1/4 cup red onion, finely chopped
• 1 Tbsp mayonnaise
• 1 Tbsp sour cream
• 2 Tbsp cilantro, chopped
• 3 tsp lime juice
• 1/2 tsp lime zest
• 1/4 tsp cumin
• 1/4 tsp smoked paprika
• Pinch chili flakes
• 6 oz crab meat, or chopped salad shrimp
• Salt
• pepper
• 2 snack size avocados, halved and pitted
• Lime wedges, for serving