Rovers supporters stayed behind in great numbers to vent their frustration at a dismal start to the season, and called for an end to Steve Kean's reign.
No more: Blackburn fans protested against their manager Steve Kean after the last home game
It was the second time fans had publiclycalled for the head of their under-pressure boss, who was granted a stay of execution after the remarkable 4-3 win over Arsenal last month.
However Dunn leapt to the defence of his manager and revealed his disappointment at the behaviour of the Ewood Park faithful.
'It was disappointing,' he said. 'If you had asked the fans before the season would they have taken four points from Fulham and Newcastle away and Arsenal and Manchester City at home, many would say yes.
Under pressure: Kean has endured a torrid start to the season
'Going further back, if we had converted our two penalties against Everton we would be sat 11th or 12th with probably not much being said.
'The booing and the jeering doesn't help anyone. From a players' point of view, we see the hard work the manager and the staff do so it is disappointing to see the reaction.
'I am hoping it is just a minority. I heard the guys that are leading the protest on the radio and it is poor. To be leading protests is poor.'
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