Nick At Nite has picked up CBS' off-net sitcom "Everybody Hates Chris" for fall 2009 premiere, according to insiders. The show is currently cleared in off-network broadcast syndication for the same time, with 52% of the country covered and deals inked with stations from the Fox, CBS, Cox Television and Weigel Broadcasting groups. The non-exclusive Nick deal has an estimated value of $450,000 per episode, including two minutes of national barter for the first three years of the four-year deal. "Everybody Hates Chris" airs on The CW Sundays at 8 p.m. and is averaging 2.4 million viewers season-to-date …