Big ego Kim Kardashian has been outgrowing her family in money and influence — and insiders have told RadarOnline.com she’s now ruffling mom Kris Jenner’s feathers in a power war to be queen of the clan. The 43-year-old big-bootied Skims founder thinks she deserves more respect than she’s getting, especially from momager Jenner, 68. Spilled a source: “Kim has always insisted she’s the hardest-working member of the family, and it’s hard to ignore her claim since she’s now risen to a different level than the rest of them. “She’s producing a documentary on Elizabeth Taylor, plus her acting career…