Booker, 23, made his first All-Star Game in February. Recent rumblings are Booker could get tired of the perennial losing in Phoenix, which is run by a spendthrift owner in Robert Sarver. “I think he’ll do unbelievable,’’ Booker said of Rose. “One of the most genuine guys I know. One of the most honest guys I know. So I’m happy for him in his new position. I think the Knicks are in really good hands.’’ Last week, Rose said he’s prepared to beef up the offensively challenged Knicks through “the draft, trades and free agency.’’