I would put Robert E. Lee and Thomas "Stonewall" Jackson at the very top. Both men were supremely devout Christians and both abhored slavery. Both wanted the states to remain together, yet, fought for their homes from Northern agression. Lee is quoted as saying that he was a union man and would not take up arms against his brother, children, or countrymen, except to defend his beloved Virginia. He turned his inherited slaves free years before the war.
Jackson started and funded a negro Sunday School to spread the gospel. He prayed without ceasing and was quoted, on his death bed, saying, "let us cross over the river and find rest under the shade of the tree", and breathed his last. His fearlessness gained him the nick-name "Stonewall" and his valley campaign is still studied in military academies to this day, around the world. A true military genious.
As for the comment on Sherman, please check your history. Sherman's war tactic was destruction, period. This was his plan and Lincoln accepted it and turned a blind eye to it. He did burn everything in his wake. As for the looting and raping, he ordered his men not to, but no, they did not obey and he, too, turned a blind eye.