Asian Chicken Meatball Sliders with Pickled Carrot and Daikon

Name: Asian Chicken Meatball Sliders with Pickled Carrot and Daikon
Ingredients: 1/2 cup rice wine vinegar; 1/4 cup sugar; 1/2 teaspoon kosher salt; 1 cup julienned carrot; 1 cup julienned daikon; 1/2 cup soy sauce; 1/3 cup light brown sugar; 1 tablespoon mirin; 1 tablespoon seasoned rice vinegar; 2 teaspoons sambal (Asian chile-garlic sauce); 1 pound ground chicken (50/50 white and dark meat); 1/3 cup panko breadcrumbs; 1 tablespoon minced garlic; 1 tablespoon minced ginger; 1 tablespoon soy sauce; 2 teaspoons sesame oil; 1 egg, whisked; 3 scallions, finely chopped; Kosher salt and freshly ground black pepper; Canola oil, for the pan; 8 soft Hawaiian buns; 1/2 cup fresh cilantro leaves; 8 bamboo skewers