Chris Pratt, newly single, is set to take a “dino-sized” step toward the altar with sweetie Katherine Schwarzenegger! “Chris wants to pop the question over the Christmas holidays!” an insider snitched to The National ENQUIRER. What’s more, the “Jurassic World” stud wants another child — ASAP! The “Guardians of the Galaxy” star and ex-wife Anna Faris now share joint legal and physical custody of their six-year-old son, Jack. But according to insiders, Chris is looking forward to expanding his brood with Katherine! “Chris loves being a dad and wants to share the parenting experience with his new love,” an insider dished. Read on for details about Chris and Katherine’s romance, and click here for more romantic gossip….