Grilled Shrimp Salsa

Name: Grilled Shrimp Salsa
Ingredients: 1 pound jumbo shrimp (21/25 count), peeled and deveined; 1 ear corn, husked; 1 small jalapenopepper; 2 scallions; 1/2 red onion, cut into 4 wedges, root intact; Canola oil; Kosher salt; 1 Persian cucumber, finely chopped; 1 teaspoon lime zest (1 lime); 1/4 cup lime juice (4 to 5 limes), plus more to taste; 1/4 teaspoon smoked paprika; 1/4 teaspoon ground coriander; 1/8 teaspoon ground cumin; 1/4 cup fresh cilantro leaves, roughly chopped; 1 small avocado, cut into 1/4-inch pieces; Tortilla chips, for serving