The Concourse Steakhouse has Beer Battered Onion Rings $4.29 on their lunch menu. Olivias has Onion rings $3.29 on their lunch menu. The Allstar cafe has Onion Rings served with Salsa-Ranch Dip $4.95. The Maya Grill has Chipotle Spiced Onion Rings $5.50. The Missing Link has Onion Rings $3.25. The Boardwalk To go has Onion Rings $3.00. The Colonel's Cotton Mill has Onion Rings $2.19. Beaches and Cream has Onion Rings $3.95. 50's Prime Time has thin sliced Onion Rings $3.95.
There may be some other places that serve them, but these are the only ones I know.
As for the pretzel, the Boardwalk Bakery has a Chocolate / Vanilla Pretzel $2.59.