Dunn has been one of Blackburn's best performers this season and is their highest scorer with six goals, five of which have been in the league.
The deal ties the 30-year-old to Rovers until the summer of 2012.
Dunn has been one of Blackburn's best performers this season and is their highest scorer with six goals, five of which have been in the Premier League.
During his two spells with the club, the former England midfielder has made over 250 appearances, scoring 46 goals.
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Source: Team Talk
Source: Team Talk