From momager to grand-momager! Kris Jenner has got huge things in store for the next generation of Kardashian talent, Life & Style has learned. “Kris is very eager to start making the youngest family members more front and center,” reveals a source, noting that the children of daughters Kim and Kourtney are already well-established characters on their reality show, The Kardashians. Slowly but surely, Kris, 69, has brought the others into the family business, too. She filmed an Amazon Glow ad with Rob’s little girl, Dream, 8, in 2022, and in 2023, she starred in a Country Crock commercial with Khloé and her daughter, True, 6. “Kris lives and breathes this stuff,” the source continues. “So, having this new challenge of making her grandkids into superstars is thrilling for her.”…