Chicken and Rice Salad with Poached Radishes and Nuoc Cham

Name: Chicken and Rice Salad with Poached Radishes and Nuoc Cham
Ingredients: For the nuoc cham; 2 tablespoons sugar; 3 tablespoons fish sauce; 1 tablespoon lime zest; 3 tablespoons freshly squeezed lime juice; 1 garlic clove, sliced; 2 red or green Thai chiles, halved lengthwise, and sliced into half moons; For the salad; 1 bunch radishes (about 12), cleaned, trimmed, and cut in quarters (or half if they're tiny); 2 tablespoons butter; Salt and freshly ground pepper; 1 1/2 cups shredded chicken (sometimes I buy a rotisserie chicken for this very purpose); 1 cup cooked long-grain brown rice; 2 cups watercress, baby kale, or other spicy green; 1 cup chopped cilantro leaves and stems