9Adef: "to take a load off". wordplay: every other letter ("Venetian?") of "SaInT"
Down
1Ddef: "Accidentally initiated an evacuation" (so sorry). wordplay: THE DEATH STAR gets reversed-letter-banked ("letting the clones leave before destroying it")
2Ddef: "how to stream". wordplay: MATTeR VS anagrammed ("chaos") but delete the E ("Everyone is irrelevant")
3Ddef: "Squad from Chicago, jokingly". wordplay: reversal ("brings up") of BAD, then EARS ("places for buds to hang")
4Ddef: "Bebe Rexha song". wordplay: IMAMS ("religious leaders") containing ("taking") E ("ecstasy"), then S ("starting to sing")
5Ddef: "It's nothing." wordplay: WASTE NOT WANT NOT getting reverse-letter-banked ("throw out anything non-essential")