Asian Pork Lettuce Wraps

Name: Asian Pork Lettuce Wraps
Ingredients: 1 1/4 cups white rice; 2 teaspoons vegetable oil, plus more for brushing; 1/4 cup low-sodium soy sauce; 1 tablespoon Sriracha (Asian chile sauce), plus more for drizzling; 1 1/2 teaspoons grated peeled ginger; 1 large pork tenderloin (about 1 1/4 pounds), halved lengthwise; 2 carrots, diced; 1/2 English cucumber, diced; 2 tablespoons fresh lime juice, plus wedges for serving; 2 teaspoons packed light brown sugar; 12 large Bibb or Boston lettuce leaves; Chopped fresh cilantro, for topping