Hi SK - Always good to hear from you. I haven't converted to Dollars as yet, but here is a link to a post that explains it. I hope this helps. If not let me know, there are other helpful posts concerning this. :-D
https://steemit.com/bittrex/@noganoo/how-to-turn-steem-into-cash-with-bittrex-coinbase-and-shift-debit-card