The Real Housewives of New York’s Erin Lichy is mourning the loss of her “best friend” and father, Eliahu Yitzhari, this October. The reality star is seen to have a lot on her plate during the all-new episodes. Her mom, Dorothy, is enduring chemotherapy, and Erin is “fighting” the disease by her side. Not only is Erin dealing with her mom’s cancer battle, but the Real Housewives of New York star explains during episode 2 how she’s also going through it in her marriage. She and Abe Lichy tied the knot 12 years ago. Despite Erin confirming the two are still going strong via Instagram, she’s seen…