In any case, if you want to move funds from lightning to the blockchain. muun wallet is a very good option to use. just create a new wallet hit receive chose lightning and send whatever you want to move to the blockchain, after that you send it to your on chain wallet as normal.

another option is fixedfloat.com, they charge you 0.5% fee for the transaction, so depending of the amount you want to move, it can be better use muun.