The crossword solution for the term 'TON'S SOUP PARTNER' is WON, which is a three-letter word. WON is a Korean unit of currency and is the official currency of South Korea. It is also used in North Korea, although it is not an official currency there. The term 'TON'S SOUP PARTNER' is a reference to the famous American soup company Campbell's, which has a long-running partnership with the South Korean company Nongshim. Nongshim produces a variety of instant noodle soups that are sold under the Campbell's brand name.