Jones started four games for the Dragons this season before going out on loan to Worcester Warriors for the Sixways side’s final four Premiership games of the campaign.
The son of ex-Wales international flanker Kingsley Jones, he scored 208 points in 66 games since his Dragons debut at Rodney Parade in the Anglo-Welsh Cup victory against Wasps in 2013.
The Abergavenny born outside half has also previously played for Ebbw Vale, Cross Keys and Sale Sharks.
Dorian departs for France
Fly half Dorian Jones has joined French Pro D2 outfit Angoulême on a two-year contract.