Classic German Potato Salad with Warm Bacon Dressing

Name: Classic German Potato Salad with Warm Bacon Dressing
Ingredients: 2 1/2 pounds unpeeled baby red potatoes (no larger than 2-inches in diameter); 1 tablespoon plus 1/2 teaspoon kosher salt, divided; 4 slices thick-cut bacon (6 ounces), diced; 1 small yellow onion, diced; 1 to 3 tablespoons vegetable oil; 3 tablespoons white wine vinegar; 1 tablespoon granulated sugar; 1 tablespoon whole grain mustard; 1/2 teaspoon freshly ground black pepper; 2 tablespoons chopped fresh chives; 1 tablespoon chopped fresh flat-leaf parsley leaves