From Kucoin

How to send XRP from Kucoin to Xaman (deposit)

1) Sign into your Kucoin account, then select the Withdraw option.

2) Enter your r-address into the Wallet Address field.

Note: You can find your r-address in Xaman here…

3) Click the down arrow in the Network field and select XRP Ripple.

4) Enter the amount you would like to send in the Amount field. (Kucoin has a minimum withdraw amount of 20.5 XRP) then press the Withdraw button.

5) Press the Continue button. Note: Self-custodial accounts, like the ones managed by Xaman do not require destination tags.

6) Press the Confirm button.

7) Press the Confirm button to complete the withdrawal.