Hi Guys, a few years ago I bought some dogecoin and as you probably know its going up in price. However I have no idea how to trade it even if I wanted to. I have it in a wallet on dogechain, and I was just wondering how would I move my dogecoin from my wallet here to trade it for bitcoin or cash.

Thanks , Nades
You can check out here:
https://coinmarketcap.com/currencies/dogecoin/markets/If you do look at then it is been traded in 100 exchanges available.So it wont really be a problem for you to do so.
Just a tip: Better deal with Binance,Bittrex and other platforms which are mostly on top volume.Cashing or converting out to fiat will have that respective instruction.