Quick Pickled Onions

1/2 cup apple cider vinegar
1 tablespoon sugar
1 1/2 teaspoons kosher salt
1 cup water
1 red onion, thinly sliced

Whisk first 3 ingredients and 1 cup water in a small bowl until sugar and salt dissolve. Place onion in a jar; pour vinegar mixture over. Let sit at room temperature for 1 hour.

DO AHEAD: Can be made 2 weeks ahead. Cover and chill. Drain onions before using.

Serves 4
WW SmartPoints per serving: 1