I don't think Denver will welcome DD, as they already have Iggy, Brewer, Galo, Fournier.
So if we were to acquire Chandler, it should be 3-way deal that includes another team that needs a starting SG, like Utah.
That being said, some trade like below would sound good:
Denver acquires Derrick Favors
Utah acquires Derozan
Toronto acquires Chandler