Was it wrapped XRP? (https://academy.binance.com/en/articles/what-is-wrapped-xrp-wxrp-and-how-does-it-work)
XRP is on its own chain which is not EVM compatible. (Thus not compatible with Metamask by default)
If it’s wXRP, you’ll just need to add it as a token on the BNB chain. How to View Your Custom Tokens in MetaMask