Harleqin: It depends! This is not a real problem, as there is no clear best move.
caranthir: [Ivan Detkov: I disagree with your comment. This sequence feels the best on the empty board.] Katago agrees on the accepted answer. Especially the F3 (SW coordinates) stone lowers the value of connecting. If F3 is missing, then D5 is locally the only move.
It depends! This is not a real problem, as there is no clear best move.