We need to see the whole room, I would not change the light until you see the table in place, it does not appear to be a large room so hanging a large or heavy fixture would not be advised. The other two options arent much removed from what you have. you could also paint the current fixture.

The reason I didn’t post a photo of the room is that nothing in this photo looks like the room now. I know it is probably impossible for people to help me without being able to see everything else. I am decorating a condo that is five hours away. I am just trying to get any help I can so as to not make any more mistakes. I am almost finished now so to hire a designer at this point would not make much sense. Yes I have thought about painting the chandelier but it cost so much money I would hate to ruin it and I can use it somewhere else. I didnt know if a round chandelier would work well with a rectangular table. I also was concerned about the brass mirrors with the finish on the chandelier as it is is. Thank you for your help.

Yes round works over rectangle