This Bible contradiction is from the Skeptic's Annotated Bible.
Yes, he was just and righteous.
2 Peter 2:7-8 View context
And delivered just Lot, vexed with the filthy conversation of the wicked:
(For that righteous man dwelling among them, in seeing and hearing, vexed [his] righteous soul from day to day with [their] unlawful deeds;)
No. He offered his daughters to a sex-crazed mob and then got drunk and impregnated them.
Genesis 19:8 View context
Behold now, I have two daughters which have not known man; let me, I pray you, bring them out unto you, and do ye to them as [is] good in your eyes: only unto these men do nothing; for therefore came they under the shadow of my roof.
Genesis 19:30-36 View context
And Lot went up out of Zoar, and dwelt in the mountain, and his two daughters with him; for he feared to dwell in Zoar: and he dwelt in a cave, he and his two daughters.
And the firstborn said unto the younger, Our father [is] old, and [there is] not a man in the earth to come in unto us after the manner of all the earth:
Come, let us make our father drink wine, and we will lie with him, that we may preserve seed of our father.
And they made their father drink wine that night: and the firstborn went in, and lay with her father; and he perceived not when she lay down, nor when she arose.
And it came to pass on the morrow, that the firstborn said unto the younger, Behold, I lay yesternight with my father: let us make him drink wine this night also; and go thou in, [and] lie with him, that we may preserve seed of our father.
And they made their father drink wine that night also: and the younger arose, and lay with him; and he perceived not when she lay down, nor when she arose.
Thus were both the daughters of Lot with child by their father.