Mica Miller’s grieving sister Sierra Francis revealed chilling text messages that were allegedly sent by John-Paul Miller nearly two years before the couple’s marriage fell apart, RadarOnline.com has learned. Francis said there is another side to John-Paul that he does not show the world, claiming that when Mica was pursuing a divorce, he got upset “that us, her family, posted about narcissists.” She noted they never name-dropped, adding, “but when the shoe fits.” Mica’s sister took to TikTok to share her side of the story after her sibling, 30, was found dead in Lumber River State Park in Nor…