Chicken Sushi Burrito

Name: Chicken Sushi Burrito
Ingredients: 2 cups (325g) uncooked short-grain rice, or about 5 cups cooked rice; 3 to 4 tablespoons sushi seasoning; pinch of kosher salt; 1 1/4 pounds (565g) chicken breast; generous pinch of kosher salt; 1 teaspoon chili powder; 1 teaspoon cajun seasoning; 1/2 teaspoon granulated garlic; 1 tablespoon olive oil; 1 large avocado; 1 tablespoons lime juice; 1 garlic clove (minced); 1/2 tablespoon chopped cilantro; 2 tablespoons chopped red onion; 1/2 teaspoon kosher salt; 1 small red pepper (seeded and sliced); 1 carrot (peeled and cut to matchsticks); 1 persian cucumber (cut to matchsticks); 4 sheets of roasted sushi seaweed (nori)