It’s already open to the family room, it really doesn’t need to have your dirty dishes on display to the rest of the world. The flooring is great! And you say 70’s like it’s a bad thing, which it isn’t. Retro is very in. You just need new materials and a new layout.

Place the range on the wall where the fridge is located. The fridge goes across the aisle. The island turns into a peninsula between the kitchen and family room. It will feel far more open, and you can have seating for family sociability.