in my opinion it is the closest to the greek translation and all others, especially the NIV, have errors. For example, in the NIV, it says in one place in 1 Samuel I think that David slew Goliath. Then in another chapter it says one of David's mighty men slew him.
You mentioned John 9:1-3:
1 And as Jesus passed by, he saw a man which was blind from his birth.
2 And his disciples asked him, saying, Master, who did sin, this man, or his parents, that he was born blind?
3 Jesus answered, Neither hath this man sinned, nor his parents: but that the works of God should be made manifest in him.
He was blind from birth so that Jesus could fulfill prophecy by healing the man. "what the works of God should be made manifest"
And he shall judge among the nations, and shall rebuke many people: and they shall beat their swords into plowshares, and their spears into pruning hooks: nation shall not lift up sword against nation, neither shall they learn war any more.