Rhubarb Rice Pudding

Name: Rhubarb Rice Pudding
Ingredients: 3/4 cup white basmati rice; 1 vanilla bean; 3 cups whole milk; 1 1/2 cups heavy cream; 1/2 cup plus 1 tablespoon sugar; 1 tablespoon unsalted butter; 1/4 teaspoon freshly grated nutmeg; 1 teaspoon unflavored gelatin (less than 1 envelope); 1 tablespoon cold water; 1 1/2 pounds rhubarb; 1 1/2 cups water; 2 1/4 cups sugar