SERIES PREMIERE: Rainn Wilson hasn’t exactly set the world afire with Backstrom, his current (but not for much longer) Fox detective drama, so this new prequel series, aimed at his fan base who loved him in NBC’s version of The Office, is a much better bet. Better Write Dwight shows Wilson, in his character of Dwight Schrute, toiling at the job he had immediately before joining Steve Carell’s Michael Scott and company at that Scranton paper-goods company. His previous job was involved with paper, too: He worked for the Scranton Times-Tribute as an advice columnist, dispensing Schrute-like wisdom to all who wrote in, and to many who didn’t even bother. And be prepared, because this Office prequel introduces us to Dwight’s even odder older brother: a stay-at-home hoarder, played by David L. Lander (Squiggy from Laverne & Shirley), who believes everything he reads on the Internet. Even this…