Noodles with Chicken & Kale

Source: deliciousasitlooks.com / http://www.deliciousasitlooks.com
Ingredients
2 tablespoons rice vinegar
2 tablespoons dark sesame oil
2 tablespoons low-sodium, wheat-free Tamari sauce (I use San J)
1 tablespoon natural creamy peanut butter (I use Smucker’s)
3 teaspoons toasted sesame seeds, divided*
1 teaspoon brown sugar