There’s an angel looking out for the New York Knicks. Beatrice Reilly-Jordon, a Staten Island widow and devoted Knicks fan, left a bit of her late husband’s ashes on an empty seat at Madison Square Garden — and her family believes his spirit has been lifting the Knicks as they strive for their first championship in 53 years. “She sprinkled a little on an empty seat next to her at Madison Square Garden recently, so he could enjoy the game with her, watching from heaven,” the couple’s daughter