Yes he is.
But looking through all of Dunks stats, the one that stands out against him is fouls committed. This may be down to the amount of defending he is forced to do, but it is almost certainly going to count against him. In these days of forensic analytics, giving away free kicks around...
Funnily enough, when Dunk brings the ball out of defence, he does remind me of Maldini.
Looking at his stats on Sqwaka, comparing him with John Stones and Gary Cahill, he beats them both on interception stats, performing as many interceptions as the two of them put together. So Maldini would...
Just to play devils advocate, perhaps Dunks skills are not what England need?
We are moving away from the long ball style, so his beautiful raking passes are not needed.
And his last ditch blocks and tackles are classed by some as him 'not being in the correct position' to intercept the ball...